74668018225 has 12 divisors (see below), whose sum is σ = 96613923456. Its totient is φ = 57137265680.

The previous prime is 74668018199. The next prime is 74668018241. The reversal of 74668018225 is 52281086647.

It is not a de Polignac number, because 74668018225 - 2⁹ = 74668017713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64928137 + ... + 64929286.

It is an arithmetic number, because the mean of its divisors is an integer number (8051160288).

Almost surely, 2^74668018225 is an apocalyptic number.

It is an amenable number.

74668018225 is a deficient number, since it is larger than the sum of its proper divisors (21945905231).

74668018225 is a wasteful number, since it uses less digits than its factorization.

74668018225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129857456 (or 129857451 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 74668018225 in words is "seventy-four billion, six hundred sixty-eight million, eighteen thousand, two hundred twenty-five".